September weather forecastMarlboro, VT
September
Weather in September
September, the first month of the autumn in Marlboro, is also an agreeable month, with an average temperature varying between 50.9°F (10.5°C) and 70.2°F (21.2°C).Temperature
Marlboro's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 77.9°F (25.5°C) to an agreeable 70.2°F (21.2°C). September sees the temperature falling to a mean low of 50.9°F (10.5°C).Humidity
In September, the average relative humidity in Marlboro is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.8 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In Marlboro, Vermont, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:25 pm. On the last day of September, in Marlboro, sunrise is at 6:47 am and sunset at 6:33 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Marlboro is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marlboro, VT
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Marlboro, VT
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Marlboro, VT
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Marlboro, VT
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Marlboro, VT
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Marlboro, VT
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in September
Marlboro, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Marlboro, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marlboro, VT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Marlboro, VT
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in September
Marlboro, VT
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Marlboro, VT
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Marlboro, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
